— I can’t get through to the general manager’s office.—The line is busy. Someone ________ the telephone.
#76155
A
must have used
B
could use
C
could have used
D
must be using
推荐题目
You _________ to the meeting this afternoon if you have something important to do .
#76135
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come
-_________ we go at 7.30 ? -What about __________ it a little earlier ?
#76034
A
Shall ,making
B
Shall , to make
C
Will , making
D
Shall, make
-What’s your plan for the summer holidays?-I’ve no idea, but I’ ve decided _____ at home and have a good rest first.
#75184
A
to stay
B
stay
C
stayed
D
staying
Please do not feed the fish; they ________ die if they eat too much.
#63259
A
shall
B
must
C
may
D
need
